Salt Weathering of Concrete by Sodium Carbonate and Sodium Chloride

被引：8

作者：

Haynes, Harvey ^{[1
]}

O'Neill, Robert ^{[1
]}

Neff, Michael ^{[1
]}

Mehta, P. Kumar ^{[1
]}

机构：

[1] Univ Calif Berkeley, Berkeley, CA 94720 USA

来源：

ACI MATERIALS JOURNAL | 2010年 / 107卷 / 03期

关键词：

deterioration; durability; physical salt attack; salt hydration distress; salt weathering; sodium carbonate; sodium chloride; SULFATE; CRYSTALLIZATION;

D O I：

暂无

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Concrete cylinders were partially submerged in 5% sodium carbonate or 5% sodium chloride solutions for up to 3.1 years. Environmental conditions were varied during the test to promote crystallization of various salts, such as thermonatrite (Na(2)CO(3)center dot H(2)O), natron (Na(2)CO(3)center dot 10H(2)O), or halite (NaCI). In sodium carbonate solution, temperature and humidity cycles that, alternately, promoted the formation of thermonatrite and natron appeared to be the major cause of scaling distress at the concrete surface. Distress by sodium chloride solution was minor

引用

页码：258 / 266

页数：9

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